Scientists at Warwick have shown that a material treated for 40 years as a uniform, textbook superconductor is in fact a patchwork of different crystal structures throughout its bulk, using an advanced 3D imaging technique to see deep inside the crystal for t…
(a) Representation of the LTO (left) and LTT (right) structures, with A-site cation omitted for clarity. Oxygens are shown in teal and magenta, indicating whether they are above and below the CuO2 pl… [+4342 chars]